Cryptocurrencies are currently playing a vital role in maintaining monetary stability by soaking up some of the excess fiat supply.As digital currencies continue to gain in value and gain ground as a medium of exchange, it is emerging as a threat to the fiat monetary system.Central banks around the world are likely to launch a coordinated attack on digital currencies, that will target their means of exchange status, similar to recent Turkey & China moves.Given the lack of an intrinsic value, digital currencies can see a collapse in value relative to most goods.Money that will exit private-sector digital currencies will flow into assets with a greater intrinsic value and also into central bank-backed digital currencies, that will enjoy medium of exchange status.